Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Domain "Bacteria" Woese et al. 1990 stat. inval. [paraphyletic?]] see Domain Bacteria Woese et al. 2024
             [Phylum "Chlamydiae" Garrity and Holt 2001 nom. inval. [monotypic]] see Phylum Chlamydiae Garrity and Holt 2012 stat. inval.
               1 [Class "Chlamydiae"ᵀ "Cavalier-Smith 1998" nom. nud.] see Class Chlamydiae Cavalier-Smith 2002 nom. rej.